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The Influence of Metastable Cellular Structure on Deformation Behavior in Laser Additively Manufactured 316L Stainless Steel 期刊论文
NANOMATERIALS, 2021, 卷号: 11, 期号: 11, 页码: 13
Authors:  Li N(李娜);  Li ZY(李正阳);  Wei YJ(魏宇杰)
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laser additive manufacturing  metastable cellular structures  316L stainless steel  coherent precipitates  stacking fault energy  
Scaling of internal dissipation of polycrystalline solids on grain-size and frequency 期刊论文
ACTA MATERIALIA, 2020, 卷号: 201, 页码: 350-363
Authors:  Duan CC(段闯闯);  Wei YJ(魏宇杰)
Adobe PDF(5634Kb)  |  Favorite  |  View/Download：181/50  |  Submit date：2021/01/29
Internal friction  Loss modulus  Dissipation  Viscoelasticity  Polycrystalline solids  
Nanoscale precipitates as sustainable dislocation sources for enhanced ductility and high strength 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 卷号: 117, 期号: 10, 页码: 5204-5209
Authors:  Peng SY(彭神佑);  Wei YJ(魏宇杰);  Gao HJ(高华健)
Adobe PDF(1345Kb)  |  Favorite  |  View/Download：442/76  |  Submit date：2020/05/18
nanoscale precipitate  dislocation sources  ductility  strength  multiple-element alloy  
The effective fracture strength and fracture toughness of solids with energy dissipation confined to localized strips 期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2019, 卷号: 120, 页码: 47-63
Authors:  Zeng XG;  Wei YJ(魏宇杰)
View  |  Adobe PDF(2027Kb)  |  Favorite  |  View/Download：489/134  |  Submit date：2019/09/09
Effective toughness  Fracture strength  Strain softening  Shear banding  Strip-yield model  
The influence of combined gradient structure with residual stress on crack-growth behavior in medium carbon steel 期刊论文
ENGINEERING FRACTURE MECHANICS, 2019, 卷号: 209, 页码: 369-381
Authors:  Wang Y(王瑶);  Yuan LC;  Zhang SJ(张诗嘉);  Sun CQ(孙成奇);  Wang WJ;  Yang GX;  Li Q;  Wei YJ(魏宇杰)
View  |  Adobe PDF(2613Kb)  |  Favorite  |  View/Download：422/165  |  Submit date：2019/04/11
Gradient material  Residual stress  Fatigue crack  Cyclic J-integral  Crack- growth rate  
Stress evolution in elastic-plastic electrodes during electrochemical processes: A numerical method and its applications 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2018, 卷号: 116, 页码: 403-415
Authors:  Wen JC(温济慈);  Wei YJ(魏宇杰);  Cheng YT(郑仰泽)
Adobe PDF(2242Kb)  |  Favorite  |  View/Download：577/157  |  Submit date：2018/10/30
Battery mechanics  Electrochemical-mechanical coupling  Interfacial delamination  In situ stress measurement  Finite element method  
Examining the validity of Stoney-equation for in-situ stress measurements in thin film electrodes using a large-deformation finite-element procedure 期刊论文
JOURNAL OF POWER SOURCES, 2018, 卷号: 387, 页码: 126-134
Authors:  Wen JC(温济慈);  Wei YJ(魏宇杰);  Cheng YT
Adobe PDF(919Kb)  |  Favorite  |  View/Download：324/85  |  Submit date：2018/07/17
Thin Film Electrode  In-situ Stress Measurement  Stoney Equation  Diffusion Stress Coupling  Finite-deformation Finite Element  
The stress-velocity relationship of twinning partial dislocations and the phonon-based physical interpretation 期刊论文
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2017, 卷号: 60, 期号: 11
Authors:  Wei YJ(魏宇杰);  Peng SY(彭神佑);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mechan, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.;  Wei, YJ (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
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Dislocation Mobility  Transverse And Longitudinal Phonons  Subsonic And Supersonic Velocity  Stress-velocity Relationship  Molecular Dynamics  
Optimal stress and deformation partition in gradient materials for better strength and tensile ductility: A numerical investigation 期刊论文
SCIENTIFIC REPORTS, 2017, 卷号: 7
Authors:  Wang, Yao;  Yang, Guangxue;  Wang, Wenjing;  Wang, Xi;  Li, Qiang;  Wei YJ(魏宇杰);  Li, Q (reprint author), Beijing Jiaotong Univ, Minist Educ, Key Lab Vehicle Adv Mfg Measuring & Control Techn, Beijing 100044, Peoples R China.;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
View  |  Adobe PDF(3669Kb)  |  Favorite  |  View/Download：356/104  |  Submit date：2017/11/29
Heterogeneous lamella structure unites ultrafine-grain strength with coarse-grain ductility 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2015, 卷号: 112, 期号: 47, 页码: 14501-14505
Authors:  Wu XL(武晓雷);  Yang MX;  Yuan FP(袁福平);  Wu GL;  Wei YJ(魏宇杰);  Huang XX;  Zhu YT;  Wu, XL (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
View  |  Adobe PDF(1526Kb)  |  Favorite  |  View/Download：1156/266  |  Submit date：2016/01/08
Back-stress Hardening  Heterogeneous Lamella Structure  Ductility  Strength  Strain Partitioning